<template>
  <div class="menu-search-dialog">
    <i :class="'iconfont icon-sousuo'" class="toolBar-icon" @click="handleOpen"></i>
    <el-dialog
      v-model="isShowSearch"
      destroy-on-close
      :modal="false"
      :show-close="false"
      fullscreen
      @click="closeSearch"
    >
      <el-autocomplete
        ref="menuInputRef"
        v-model="searchMenu"
        value-key="path"
        placeholder="菜单搜索 ：支持菜单名称、路径"
        :fetch-suggestions="searchMenuList"
        @select="handleClickMenu"
        @click.stop
      >
        <template #prefix>
          <el-icon>
            <Search />
          </el-icon>
        </template>
        <template #default="{ item }">
          <el-icon>
            <component :is="item.meta.icon"></component>
          </el-icon>
          <span> {{ item.meta.title }} </span>
        </template>
      </el-autocomplete>
    </el-dialog>
  </div>
</template>

<script setup lang="ts">
  import { ref, computed, nextTick } from "vue"
  import { Search } from "@element-plus/icons-vue"
  import { useRouter } from "vue-router"
  import { useAuthStore } from "@/stores/modules/auth"
  const router = useRouter()
  const authStore = useAuthStore()
  const menuList = computed(() => authStore.flatMenuListGet.filter((item) => !item.meta.isHide))

  const searchMenuList = (queryString: string, cb: Function) => {
    const results = queryString ? menuList.value.filter(filterNodeMethod(queryString)) : menuList.value
    cb(results)
  }

  // 打开搜索框
  const isShowSearch = ref(false)
  const menuInputRef = ref()
  const searchMenu = ref("")
  const handleOpen = () => {
    isShowSearch.value = true
    nextTick(() => {
      setTimeout(() => {
        menuInputRef.value.focus()
      })
    })
  }

  // 搜索窗关闭
  const closeSearch = () => {
    isShowSearch.value = false
  }

  // 筛选菜单
  const filterNodeMethod = (queryString: string) => {
    return (restaurant: Menu.MenuOptions) => {
      return (
        restaurant.path.toLowerCase().indexOf(queryString.toLowerCase()) > -1 ||
        restaurant.meta.title.toLowerCase().indexOf(queryString.toLowerCase()) > -1
      )
    }
  }

  // 点击菜单跳转
  const handleClickMenu = (menuItem: Menu.MenuOptions | Record<string, any>) => {
    searchMenu.value = ""
    if (menuItem.meta.isLink) window.open(menuItem.meta.isLink, "_blank")
    else router.push(menuItem.path)
    closeSearch()
  }
</script>

<style scoped lang="scss">
  .menu-search-dialog {
    :deep(.el-dialog) {
      background-color: rgb(0 0 0 / 50%);
      border-radius: 0 !important;
      box-shadow: unset !important;
      .el-dialog__header {
        border-bottom: none !important;
      }
    }
    :deep(.el-autocomplete) {
      position: absolute;
      top: 100px;
      left: 50%;
      width: 550px;
      transform: translateX(-50%);
      .el-input__wrapper {
        background-color: var(--el-bg-color);
      }
    }
  }
  .el-autocomplete__popper {
    .el-icon {
      position: relative;
      top: 2px;
      font-size: 16px;
    }
    span {
      margin: 0 0 0 10px;
      font-size: 14px;
    }
  }
</style>
